CN100551181C - The apparatus and method that the power supply of light-emitting diode and startup flicker therein suppress - Google Patents
The apparatus and method that the power supply of light-emitting diode and startup flicker therein suppress Download PDFInfo
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- CN100551181C CN100551181C CNB2005800371053A CN200580037105A CN100551181C CN 100551181 C CN100551181 C CN 100551181C CN B2005800371053 A CNB2005800371053 A CN B2005800371053A CN 200580037105 A CN200580037105 A CN 200580037105A CN 100551181 C CN100551181 C CN 100551181C
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- Prior art keywords
- led
- power supply
- switch
- flicker
- command signal
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/385—Switched mode power supply [SMPS] using flyback topology
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/32—Pulse-control circuits
- H05B45/325—Pulse-width modulation [PWM]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims (24)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62255304P | 2004-10-27 | 2004-10-27 | |
US60/622,553 | 2004-10-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101049048A CN101049048A (en) | 2007-10-03 |
CN100551181C true CN100551181C (en) | 2009-10-14 |
Family
ID=35539157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005800371053A Active CN100551181C (en) | 2004-10-27 | 2005-10-26 | The apparatus and method that the power supply of light-emitting diode and startup flicker therein suppress |
Country Status (5)
Country | Link |
---|---|
US (1) | US7906917B2 (en) |
EP (1) | EP1808051A1 (en) |
JP (1) | JP5048506B2 (en) |
CN (1) | CN100551181C (en) |
WO (1) | WO2006046207A1 (en) |
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- 2005-10-26 WO PCT/IB2005/053500 patent/WO2006046207A1/en active Application Filing
- 2005-10-26 US US11/577,995 patent/US7906917B2/en active Active
- 2005-10-26 CN CNB2005800371053A patent/CN100551181C/en active Active
- 2005-10-26 EP EP05805151A patent/EP1808051A1/en not_active Withdrawn
- 2005-10-26 JP JP2007538580A patent/JP5048506B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN101049048A (en) | 2007-10-03 |
WO2006046207A1 (en) | 2006-05-04 |
US7906917B2 (en) | 2011-03-15 |
JP2008518459A (en) | 2008-05-29 |
US20080136350A1 (en) | 2008-06-12 |
JP5048506B2 (en) | 2012-10-17 |
EP1808051A1 (en) | 2007-07-18 |
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